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5.56 AR 15 Pistol Kit - 10.5" Stainless Barrel, 1:8 Twist Rate with 12" M-Lok Handguard

SKU:
55610.518(SS)-MLOK(12)_SBA3-01-SB_AR15-CH_AR15-LPK_BCG-N_AR15-BTA
Availability:
Usually ships the same day or the next business day!
$549.99
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Love the look of a flush-mount muzzle device?

This 10.5" AR-15 kit's the ticket. With a 12" free-float handguard butted up against the base of the muzzle's threads, you'll get that clean, gap-less look with your favorite flash can, brake, or suppressor. Includes prebuilt upper, M16 BCG, and lower parts kit.

Note: Due to ATF rule 2021R-08F, any pistol with a stabilizing brace is considered a short-barreled rifle (SBR), and is therefore considered a National Firearms Act item requiring a federal tax stamp.

Barrel

  • Chamber: 5.56 NATO
  • Contour: M4/Government
  • Length: 10.5”
  • Twist Rate: 1:8
  • Gas System: Pistol
  • Gas Port: 0.750”
  • Gas Hole Dia.: 0.070”
  • Muzzle Threads: 1/2x28
  • Feed Ramps: M4
  • Material: 416R Stainless
  • Finish: Stainless
  • Process: Button Rifled
  • Lining: None
  • Extension: M4
  • Muzzle: A2 “Birdcage” Flash Hider

Handguard

  • Attachment System: 12" M-Lok, Skeletonized
  • Finish: Type III Hardcoat Anodized (Mil-Spec)
  • Top Rail: M1913 Picatinny
  • Material: Billet 6061-T6 Aluminum
  • Attachment: Barrel Nut
  • Weight: 10.2 oz.

Upper Receiver

  • Profile: M4 Flattop
  • Material: Forged 7075-T6 Aluminum
  • Finish: Type III Hardcoat Anodized (Mil-Spec)

Bolt Carrier Group

  • Profile: M16/Full-Auto
  • Steel: Carpenter No. 158 (Mil-Spec)
  • Exterior: Black Nitride
  • Interior: Black Nitride
  • Gas Key: Staked, Chromed
  • Charging Handle: Included

Lower Receiver Parts

  • Buffer System: Mil-spec, Carbine
  • Pistol Brace: SB Tactical SBA3
  • Parts Kit: Mil-spec, single-stage

 

WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov

Shipping Restrictions

Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.

GunBuilders.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.

Caliber:
5.56
Barrel Size:
10.5"
Twist Rate:
1/8
Barrel Finish:
Stainless Steel

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.